Sealed carton



- Patented May 26,1936

PATENT OFFICE SEALED CARTON Henry Arthur Hutchins, Jr., Darien, Conn., as-

signor to National Union Radio Corporation, Newark, N. J., a corporation of Delaware Application February 6, 1935, Serial no. 5,196

2 Claims.

This invention relates to a carton of the sealed or pilfer-p'roof type, more particularly to such a carton commonly used in dispensing electrical devices as for example, incandescent lamps, radio 5 tubes and the like.

The manufacturers of such a device have found that unless the carton containing the same is permanently sealed in some suitable manner,

very often the product originally contained in which'latter product is generally inferior-to the original product. In order to overcome this sub stitution recourse has been hadto various forms of sealed containers. Most of these are complicated in construction from the standpoint of requiring extra internal or external parts, such as slides, special end members, etc.

It is an object of the present invention to provide a simple and inexpensive sealed carton which can be assembled or folded conveniently from a suitable blank and sealed with a simple stitching operation.

Another-object is to provide that type of a with the ends of the carton folded and stitched into place,. and

Fig. 4 is a sectional view, taken on line 4-4 of Fig. 3, illustrating the manner of stitchingthe folded in flap or tuck which seals the carton.

Referring to thev accompanying drawing it will be noted that Fig. 1 'shows' a cut-out blank 1 having ends or flaps 2'and scored side sections 3.

One of the longitudinal edges of the blank I is provided with a narrow glue flap 4 which serves as a means for fastening the side walls together.

Ths may be done by applying an adhesive to the outer surface of the flap 4 and turning said flap inwardly so that when the blank I is folded along the score lines said fiap may be glued to the underface of the adjacent side section 3.

It will be seen that the layout of the blank I is such as to produce a so-called reversed tuck type of carton, i. e., when the blank is folded to the carton is replaced by a substitute product,.

form a carton thereform the longer end flaps 5 are on opposite sides of each other, top and bottom, so that the operative in folding in the end flaps in closing the carton, turns it upon its longitudinal axis The end flaps 5 are provided with transverse score lines 6 and l which produce what may be termed a retuck or double tuck when the material is folded along the score lines (see Fig. 2) in the reverse order. The purpose of providing a retuck in each of the end flaps 5 is so that the tongue or outer portion 8, when the ends of the carton are closed, will be seated adjacent the opposing side wall 3 (see Figs. 3 and 4) and may be stapled or stitched thereto by the use of a suitable stapling machine.

Any form of stitching or stapling machine may be used which has a comparatively long thin anvil which may be inserted in the retuck or between the double tucks of the flaps 5. By this simpleexpedient it is possible to seal the ends of the carton in such a manner that the staple will have to be removed 'or the tongue 8 tom.

loose.- In either case the prospective purchaser of the contents of the carton can easily see that the original package has been tampered with v and thus arouse his suspicion as to the article being genuine. On the other hand, if the seal is not broken before the contents of the carton is wanted for test purposes as for instance, before concluding the sale thereof, it is very easy to break the seal in the presence of the customer. The unbroken seal prior to that time insures the genuineness of the article, and when tested in the customer's presence and found to be in good condition, it is submitted he has no further incentive or object in having the carton restored to its original or sealed condition. On the other hand, in order to break the seal of the carton it has not been necessary to destroy the flap 5 to the extent that it will no longer serve as a closure for the carton to prevent the dislocation of its contents.

It will be noted that a feature of my invention is the provision of a sealing means which does not embody any separate or extra parts that are inserted into the carton or secured thereto in a special manner. This is a decided advantage not only from the standpoint of construction and assembly, but also it prevents the packaged article, as for example, a radio tube, from being inserted in a receiving set either in the original carton or with the special base attached that certain forms of cartons have from which the prongs of the tube project when packaged.

Other modifications of the invention will suggest themselves to those skilled in the art but it is my intention to cover all such modifications as come within the scope of the appended claims.

What is claimed is: 1. A sealed carton formed from a blank having side walls defined from each other by score lines,

in the carton is impossible without tearing the stitching.

2. A sealed carton comprising a blank provided with scored sections adapted to form side walls when folded along the score lines, end flaps con- 5 tiguous with said side wall sections and adapted to form a closure for the ends, one of said flaps on each end being longer than the others and provided with transverse scored sections designed to produce aretuck when folded reversely along 10 the score lines, the outer fold of said retuck flap being folded inwardly and seated against the adjacent side wall and sealed separately thereto in any approved manner, whereby removal of the article contained within the carton is im- 15 possible without breaking the seal thus formed.

HENRY ARTHUR. HUTCHINS, JR. 

